On December 26 2015 at 8:54:35 PM CST Matthew asked: My control panel is 1/8 inch thick steel, will this track ball mount flush to it? What control panel thickness is optimal for this trackball?1 Answer

On January 14 2016 at 2:07:32 PM Julie answered:Dimension = .30” You can find additional mounting info on our web site for part# 56-0300-10.